Apollo 16 astronauts on a geology field trip to Mono Craters, California in June 1971.
By California Volcano Observatory
June 1971 (approx.)
Detailed Description
University of Texas professor William R. Muelhberger (left foreground) with Apollo 16 commander John W. Young (right foreground), astronaut Charles Duke (center), geologist David Wones (second left), and astronaut Anthony England on an Apollo 16 geology field trip to Mono Craters in June 1971. Photo by NASA.
Sources/Usage
Public Domain.